hysteron proteron hystero-epileptogenic • hystero-oophorectomy · · · Info · Definitions · Characters · · hysteron proteron · · Text Common · · Latin · · Scripts 17 · · Length Definitions · · · (noun) reversal of normal order of two words or sentences etc. (as in `bred and born'). · · Noun Definition 1 (noun) the logical fallacy of using as a true premise a proposition that is yet to be proved. · · Noun Definition 2 Characters · · space U+0020 e latin small letter e U+0065 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079